Hypersynth multibank cartridge "Hcard-701" is specially designed for expanding the memory of Yamaha DX7 synthesizer. DX7 voice memory is limited to 32 presets (1 bank), which could be upgraded to 64 presets by adding an external Yamaha "Data RAM" cartridge. "Data RAM" is discontinued, rare, expensive and It relies on battery for data retention. These flaws make it not a good choice for DX lovers in modern age. "Hcard-701" can be used as a drop in replacement for Yamaha "DATA RAM" cartridge. it stores up to 100 banks without the worry of battery life and data loss.

"Hcard-701" comes with default DX7 factory soundbanks, plus 16 soundbanks which selected carefully out of thousands available free banks for DX7. These sounds banks are categorized in a way to simplify the workflow of sound selection."

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Hypersynth multibank cartridge "Hcard-702"

Hypersynth multibank cartridge "Hcard-702" is specially designed for expanding the memory of Yamaha DX7II synthesizer. DX7II voice memory is limited to 64 presets (1 bank), which could be upgraded to 128 presets by adding an external Yamaha "RAM4" cartridge. "RAM4" is discontinued, rare, expensive and It relies on battery for data retention. These flaws make it not a good choice for DX lovers in modern age. "Hcard-702" can be used as a drop in replacement for Yamaha "RAM4" cartridge, it stores up to 100 banks without the worry of battery life and data loss.

Hypersynth multibank cartridge "Hcard-750" is specially designed for expanding the memory of Roland D-50 synthesizer. D-50 voice memory is limited to 64 presets (1 bank), which could be upgraded to 128 presets by adding an external "M-256" memory card. "M-256" card is discontinued, rare, expensive and It relies on battery for data retention. These flaws make it not a good choice for D-50 lovers in modern age. "Hcard-750" can be used as a drop in replacement for Roland "M-256" card, it stores up to 64 banks without the worry of battery life and data loss.

Categorized SoundBank:

"Hcard-702" comes with default DX7II factory soundbanks plus 16 soundbanks which selected carefully out of thousands available free banks for DX7. These sounds banks are categorized in a way to simplify the workflow of sound selection.